This week's case features two ~1 cm long tan-white worms removed from the terminal ileum during routine colonoscopy. What is your identification?
Anterior end:
Posterior end - worm one:
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Welcome to Parasite Case of the Week
Every week I will post a new Case, along with the answer to the previous case. Please feel free to write in with your answers, comments, and questions. Also check out my image archive website at http://parasitewonders.com. Enjoy!
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Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
The Fine Print:
Please note that all opinions expressed here are mine and not my employer. Information provided is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.
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3 comments:
Nice images! Looks like two adult hookworms to me.
I am not sure whether I see teeth (Ancylostoma) or cutting plates (Necator) on that first image, so I'll leave it just at "Hookworms".
Based on images 2 and 3: I suspect it's a female and a male hookworm (image 3 gives a nice view of the bursa copulatrix - a specialized organ found in male hookworms, used for sensing and grasping during copulation).
Idzi has said it all. The pair is hookworms. I cannot clearly see whether the mouth has cutting plates or teeth, but the copulative bursa and posterior of the female are clues to the worms identification. The images may be sufficient for treatment but for academic purposes they pose a challenge. Would a stool parasitology culture help to identify the species involved?
Florida Fan
Hookworm, my guess between Ancylostoma duodenale and Necator americanus would be Ancylostoma duodenale.
/Patrik
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